Java Utililty Methods Collection Add

List of utility methods to do Collection Add

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Description

The list of methods to do Collection Add are organized into topic(s).

Method

voidadd(Collection c, Object o)
add 
c.add(o);
voidadd(Collection collection, T object)
add 
collection.remove(object);
collection.add(object);
booleanadd(Collection collection, T object)
Add a value to a collection provided both the collection and the value are not null. 
return object != null && collection != null && collection.add(object);
Collectionadd_all(Collection target, Collection source)
adall 
((Collection<T>) target).addAll(source);
return target;
voidadd_news(Collection target, Collection to_add)
adnews 
for (Iterator<? extends T> it = to_add.iterator(); it.hasNext();) {
    T element = it.next();
    if (!target.contains(element))
        target.add(element);
CaddAll(C collection, Iterable add)
Adds all elements in the add Iterable to the collection Collection. 
if (add instanceof Collection) {
    collection.addAll((Collection<E>) add);
} else {
    for (E a : add) {
        collection.add(a);
return collection;
...
CaddAll(C collection, T... elements)
add All 
collection.addAll(Arrays.asList(elements));
return collection;
voidaddAll(Collection collection, Iterator iterator)
Adds all elements in the iteration to the given collection. 
while (iterator.hasNext()) {
    collection.add(iterator.next());
voidaddAll(Collection collection, Object[] array)
Add all elements from the supplied array to the specified collection. 
for (Object obj : array) {
    collection.add(obj);
voidaddAll(Collection collection, Object[] array)
add All 
for (int i = 0, max = array.length; i < max; i++) {
    collection.add(array[i]);